进宫

进宫	jìn gōng	to enter the emperor's palace / (slang) to go to jail
进	jìn	to go forward / to advance / to go in / to enter / to put in / to submit / to take in / to admit / (math.) base of a number system / classifier for sections in a building or residential compound
宫	Gōng	surname Gong
宫	gōng	palace / temple / castration (as corporal punishment) / first note in pentatonic scale